Knowing Enough

God has given us enough knowledge - enough capacity for knowledge - to enable us to obey Him. That is all. Disobedience is a willful act and never due to a lack of knowledge. The proof of that is the fact that education - informing someone of their wrongness - isn't usually enough to correct it. Ignorance (or the claim of not knowing) is then not an excuse for disobedience of God's will.